eigengenes elengeness energisers energising energyless engineless engineries enginering erinsrinse geislingen geneserine gengineers geringsing giggliness gigglingly gingelline gingerlily gingerline gingerness greeneries greengenre greengills greengreen greenlines greenlings grellingen grey-green greynesses griesingen grinningly grisliness inerringly ingressing leisenring lenglingen lenningsen lessenings lesserness lignieres lingerings ngerengere nigelgreen nigerreign nigger-rig niggerless niggerling niggerness niggliness nigglingly nyirgelse re-signing reengineer regreening regressing reining-in renessneer rennelesse renningers riessersee ringle-eye risenresin seeing-eye selegeline selegiline seregelyes sereneness sing-sings single-eye singleness sneeriness sneeringly sniggerers sniggering syneilesis synergises syngenesis